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http://dx.doi.org/10.7316/KHNES.2016.27.5.533

Evaluation of Characterization During Start-up of Anaerobic Digestion Via Various Seeding Methods  

LEE, CHAE-YOUNG (Dept. of Civil Eng., The University of Suwon, Institute River Environmental Technology)
HAN, SUN-KEE (Dept. of Environ. Health, Korea National Open University)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.27, no.5, 2016 , pp. 533-539 More about this Journal
Abstract
This study was performed to evaluate the characteristics of start-up of anaerobic digestion from food waste with different inoculum ratios. The hydrogen yield was similar with different inoculum ratios. The hydrogen production rate increased with increasing inoculum ratio. But the specific hydrogen production rate decreased with increasing inoculum ratio. Total volatile fatty acids composition analysis showed that butyrate and acetate were the prevalent products in all reactors, followed by lactate and propionate. The acetate was most prevalent product in reactors at $X_0/S_0=0.080$ and 0.159. But in reactors at $X_0/S_0=0.239$ and 0.318, butyrate accounted for greater than 50% of the total volatile fatty acids.
Keywords
Anaerobic $H_2$ fermentation; Inoculum; X0/S0 ratio; Food waste;
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